21311943120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1\times {\mathrm{2087}}^1$

素因数の和:3210

約数の個数: 240

約数和(自身を含む): 77185809792

約数和(自身を除く): 55873866672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1091, 1170, 1560, 1872, 2087, 2182, 2340, 3120, 3273, 4174, 4364, 4680, 5455, 6261, 6546, 8348, 8728, 9360, 9819, 10435, 10910, 12522, 13092, 14183, 16365, 16696, 17456, 18783, 19638, 20870, 21820, 25044, 26184, 27131, 28366, 31305, 32730, 33392, 37566, 39276, 41740, 42549, 43640, 49095, 50088, 52368, 54262, 56732, 62610, 65460, 70915, 75132, 78552, 81393, 83480, 85098, 87280, 93915, 98190, 100176, 108524, 113464, 125220, 127647, 130920, 135655, 141830, 150264, 157104, 162786, 166960, 170196, 187830, 196380, 212745, 217048, 226928, 244179, 250440, 255294, 261840, 271310, 283660, 300528, 325572, 340392, 375660, 392760, 406965, 425490, 434096, 488358, 500880, 510588, 542620, 567320, 638235, 651144, 680784, 751320, 785520, 813930, 850980, 976716, 1021176, 1085240, 1134640, 1220895, 1276470, 1302288, 1502640, 1627860, 1701960, 1953432, 2042352, 2170480, 2276917, 2441790, 2552940, 3255720, 3403920, 3906864, 4553834, 4883580, 5105880, 6511440, 6830751, 9107668, 9767160, 10211760, 11384585, 13661502, 18215336, 19534320, 20492253, 22769170, 27323004, 29599921, 34153755, 36430672, 40984506, 45538340, 54646008, 59199842, 68307510, 81969012, 88799763, 91076680, 102461265, 109292016, 118399684, 136615020, 147999605, 163938024, 177599526, 182153360, 204922530, 236799368, 266399289, 273230040, 295999210, 327876048, 355199052, 409845060, 443998815, 473598736, 532798578, 546460080, 591998420, 710398104, 819690120, 887997630, 1065597156, 1183996840, 1331996445, 1420796208, 1639380240, 1775995260, 2131194312, 2367993680, 2663992890, 3551990520, 4262388624, 5327985780, 7103981040, 10655971560, 21311943120]

約数ペア:

[(1, 21311943120), (2, 10655971560), (3, 7103981040), (4, 5327985780), (5, 4262388624), (6, 3551990520), (8, 2663992890), (9, 2367993680), (10, 2131194312), (12, 1775995260), (13, 1639380240), (15, 1420796208), (16, 1331996445), (18, 1183996840), (20, 1065597156), (24, 887997630), (26, 819690120), (30, 710398104), (36, 591998420), (39, 546460080), (40, 532798578), (45, 473598736), (48, 443998815), (52, 409845060), (60, 355199052), (65, 327876048), (72, 295999210), (78, 273230040), (80, 266399289), (90, 236799368), (104, 204922530), (117, 182153360), (120, 177599526), (130, 163938024), (144, 147999605), (156, 136615020), (180, 118399684), (195, 109292016), (208, 102461265), (234, 91076680), (240, 88799763), (260, 81969012), (312, 68307510), (360, 59199842), (390, 54646008), (468, 45538340), (520, 40984506), (585, 36430672), (624, 34153755), (720, 29599921), (780, 27323004), (936, 22769170), (1040, 20492253), (1091, 19534320), (1170, 18215336), (1560, 13661502), (1872, 11384585), (2087, 10211760), (2182, 9767160), (2340, 9107668), (3120, 6830751), (3273, 6511440), (4174, 5105880), (4364, 4883580), (4680, 4553834), (5455, 3906864), (6261, 3403920), (6546, 3255720), (8348, 2552940), (8728, 2441790), (9360, 2276917), (9819, 2170480), (10435, 2042352), (10910, 1953432), (12522, 1701960), (13092, 1627860), (14183, 1502640), (16365, 1302288), (16696, 1276470), (17456, 1220895), (18783, 1134640), (19638, 1085240), (20870, 1021176), (21820, 976716), (25044, 850980), (26184, 813930), (27131, 785520), (28366, 751320), (31305, 680784), (32730, 651144), (33392, 638235), (37566, 567320), (39276, 542620), (41740, 510588), (42549, 500880), (43640, 488358), (49095, 434096), (50088, 425490), (52368, 406965), (54262, 392760), (56732, 375660), (62610, 340392), (65460, 325572), (70915, 300528), (75132, 283660), (78552, 271310), (81393, 261840), (83480, 255294), (85098, 250440), (87280, 244179), (93915, 226928), (98190, 217048), (100176, 212745), (108524, 196380), (113464, 187830), (125220, 170196), (127647, 166960), (130920, 162786), (135655, 157104), (141830, 150264)]